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Analyze » Cleaver-Brooks » CLE1786570464

Incident Score: Analysis & Impact (CLE1786570464)

The details regarding individual company incidents & reports gives you full view from every side.

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-103
Company Score Before Incident749 / 1000
Company Score After Incident646 / 1000
Company LinkView Cleaver-Brooks Profile
INCIDENT NUMBERCLE1786570464
Type of Cyber IncidentRansomware
ATTACK VECTORNA
DATA EXPOSED700GB of data
INCIDENT DATE09/08/2026
STATUSOngoing

Key Highlights From The Incident Analysis

  • Timeline of Cleaver-Brooks's Ransomware and lateral movement inside company's environment.
  • Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
  • How Rankiteo’s incident engine converts technical details into a normalized incident score.
  • How this cyber incident impacts Cleaver-Brooks Rankiteo cyber scoring and cyber rating.
  • Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.

Full Incident Analysis Transcript

In this Rankiteo incident briefing, we review the Cleaver-Brooks breach identified under incident ID CLE1786570464.

The analysis begins with a detailed overview of Cleaver-Brooks's information like the linkedin page: https://www.linkedin.com/company/cleaver-brooks, the number of followers: 22953, the industry type: Industrial Machinery Manufacturing and the number of employees: 746 employees

After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 749 and after the incident was 646 with a difference of -103 which is could be a good indicator of the severity and impact of the incident.

In the next step of the video, we will analyze in more details the incident and the impact it had on Cleaver-Brooks and their customers.

On 10 August 2026, Cleaver-Brooks disclosed Data Breach issues under the banner "Cyberattack on Cleaver-Brooks: Anubis Group Allegedly Steals 700GB of Data".

On August 10, 2026, reports surfaced of a potential cyberattack targeting Cleaver-Brooks, a Georgia-based manufacturer of boiler room products and systems.

The disruption is felt across the environment, and exposing 700GB of data.

Formal response steps have not been shared publicly yet.

The case underscores how Ongoing.

Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.

The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.

MITRE ATT&CK® Correlation Analysis

Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating potential cyberattack targeting Cleaver-Brooks and Trusted Relationship (T1199) with lower confidence (40%), supported by evidence indicating affecting current/former employees, contractors, affiliates. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (60%), supported by evidence indicating 700GB of data exfiltrated; potential PII exposure. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating 700GB of data allegedly exfiltrated from the company and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating data breach impacting employees, contractors, affiliates. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating anubis Group allegedly exfiltrated 700GB of data and Exfiltration Over Web Service (T1567) with moderate confidence (60%), supported by evidence indicating claim posted on dark web monitoring site Ransomware.live. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate confidence (50%), supported by evidence indicating incident follows a pattern of ransomware attacks and Defacement (T1491) with lower confidence (40%), supported by evidence indicating claim posted on dark web monitoring site. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Exploit Public-Facing Application (50%)
Trusted Relationship (40%)
Credential Access
Unsecured Credentials (60%)
Collection
Data from Local System (80%)
Data from Information Repositories (70%)
Exfiltration
Exfiltration Over C2 Channel (90%)
Exfiltration Over Web Service (60%)
Impact
Data Encrypted for Impact (50%)
Defacement (40%)

Sources & References